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@ARTICLE{Wenig:423815,
      author       = {Wenig, K. and Wieland, Marek and Baumann, Arne and Walther,
                      S. and Dimitriou, Anastasios and Prandolini, M. J. and
                      Schepp, Oliver and Bermúdez Macias, I. and Sumfleth, Malte
                      and Stojanovic, N. and Düsterer, S. and
                      Rönsch-Schulenburg, Juliane and Zapolnova, E. and Pan, R.
                      and Drescher, M. and Fruehling, Ulrike},
      title        = {{E}lectronic decay of core-excited {HC}l molecules probed
                      by {TH}z streaking},
      journal      = {Structural dynamics},
      volume       = {6},
      number       = {3},
      issn         = {2329-7778},
      address      = {Melville, NY},
      publisher    = {AIP Publishing LLC},
      reportid     = {PUBDB-2019-02676},
      pages        = {034301},
      year         = {2019},
      abstract     = {The ultrafast electronic decay of HCl molecules in the time
                      domain after resonant core excitation was measured. Here, a
                      Cl-2p core electron was promoted to the antibonding σ*
                      orbital initiating molecular dissociation, and
                      simultaneously, the electronic excitation relaxes via an
                      Auger decay. For HCl, both processes compete on similar
                      ultrashort femtosecond time scales. In order to measure the
                      lifetime of the core hole excitation, we collinearly
                      superimposed 40 fs soft x-ray pulses with intense terahertz
                      (THz) radiation from the free-electron laser in Hamburg
                      (FLASH). Electrons emitted from the molecules are
                      accelerated (streaked) by the THz electric field where the
                      resulting momentum change depends on the field's phase at
                      the instant of ionization. Evaluation of a time-shift
                      between the delay-dependent streaking spectra of photo- and
                      Auger electrons yields a decay constant of (11 ± 2) fs
                      for LMM Auger electrons. For further validation, the method
                      was also applied to the MNN Auger decay of krypton.
                      Reproduction of the value already published in the
                      literature confirms that a temporal resolution much below
                      the duration of the exciting x-ray pulses can be reached.},
      cin          = {FS-FLASH-B / FS-FLASH-D / MFL / U HH / CFEL-FXP},
      ddc          = {500},
      cid          = {I:(DE-H253)FS-FLASH-B-20160930 /
                      I:(DE-H253)FS-FLASH-D-20160930 / I:(DE-H253)MFL-20120731 /
                      $I:(DE-H253)U_HH-20120814$ / I:(DE-H253)CFEL-FXP-20160909},
      pnm          = {6211 - Extreme States of Matter: From Cold Ions to Hot
                      Plasmas (POF3-621) / DFG project 194651731 - EXC 1074:
                      Hamburger Zentrum für ultraschnelle Beobachtung (CUI):
                      Struktur, Dynamik und Kontrolle von Materie auf atomarer
                      Skala (194651731) / DFG project 390715994 - EXC 2056: CUI:
                      Advanced Imaging of Matter (390715994)},
      pid          = {G:(DE-HGF)POF3-6211 / G:(GEPRIS)194651731 /
                      G:(GEPRIS)390715994},
      experiment   = {EXP:(DE-H253)F-BL3-20150101 /
                      EXP:(DE-H253)F-ThzBL-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31123698},
      UT           = {WOS:000474442500002},
      doi          = {10.1063/1.5091756},
      url          = {https://bib-pubdb1.desy.de/record/423815},
}